This response is inevitable because you are sharing this opinion with people who can see through your biases. I'm happy enough that someone programming games isn't hacking my bank account. Does that register on your personal Richter scale for a valuable use of one's time?
I'm not really a fan of moral relativism. I don't think it's unfair to claim that certain applications of engineering are objectively more valuable to society as a whole than others, or more rewarding to the person doing them. It's fair to disagree with me on the particulars, of course, and argue the point, but it's not fair to say such judgements are impossible to make in the first place.
